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Important

Self-managed SingleStore will soon transition from version 9.1 RC to version 10. This new semantic versioning scheme will provide SingleStore with finer control over engine and feature releases that were not possible with the current versioning scheme.

In the interim, SingleStore 9.1 RC can be used to preview, evaluate, and provide feedback on the new and upcoming features in SingleStore 10 prior to its general availability. Ahead of this transition, SingleStore 9.0 is recommended for production workloads, which can later be upgraded to SingleStore 10.

5. Are there other ongoing operational activities?

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The next step in troubleshooting your cluster is checking other ongoing operational activities that may be affecting your cluster performance.

  1. Navigate to the Active Queries page in Studio from the master aggregator, or query MV_PROCESSLIST

    SELECT * FROM information_schema.mv_processlist;

  2. Search (ctrl-F) in the Active Queries page, or look in the results of your query to MV_PROCESSLIST for any of the following: ALTER, CREATE, DROP, ADD|REMOVE LEAF/AGGREGATOR, BACKUP/RESTORE, REBALANCE, RESTORE REDUNDANCY.

  3. For either the Active Queries page, or MV_PROCESSLIST, check the status column to see if any of these activities are long running, or waiting on other operations.

    • If an operation is waiting on metadata lock, the query is likely waiting on a cluster wide operation such as a backup.

Next Steps

  • If no other ongoing operational activities were identified: continue to Step 6.

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Verification instructions

Note: You must install cosign to verify the authenticity of the SingleStore file.

Use the following steps to verify the authenticity of singlestoredb-server, singlestoredb-toolbox, singlestoredb-studio, and singlestore-client SingleStore files that have been downloaded.

You may perform the following steps on any computer that can run cosign, such as the main deployment host of the cluster.

  1. (Optional) Run the following command to view the associated signature files.

    curl undefined

  2. Download the signature file from the SingleStore release server.

    • Option 1: Click the Download Signature button next to the SingleStore file.

    • Option 2: Copy and paste the following URL into the address bar of your browser and save the signature file.

    • Option 3: Run the following command to download the signature file.

      curl -O undefined

  3. After the signature file has been downloaded, run the following command to verify the authenticity of the SingleStore file.

    echo -n undefined |
        cosign verify-blob --certificate-oidc-issuer https://oidc.eks.us-east-1.amazonaws.com/id/CCDCDBA1379A5596AB5B2E46DCA385BC \
          --certificate-identity https://kubernetes.io/namespaces/freya-production/serviceaccounts/job-worker \
          --bundle undefined \
          --new-bundle-format -
    Verified OK

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